1. Tardigrade
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  3. Physics
  4. A particle is projected from ground at an angle 45° with initial velocity 20√2ms-1. The magnitude of average velocity in a time interval from t = 0 to t = 3s in ms-1 is.

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Q. A particle is projected from ground at an angle 45$^\circ$ with initial velocity $20\sqrt{2}ms^{-1}$. The magnitude of average velocity in a time interval from t = 0 to t = 3s in $ms^{-1}$ is.

Motion in a Plane

Solution:

u = u$_x$ i + u$_y$ j
u$_f$ = u$_x$i +(u$_y$ - gt) j, $V_{avg} = \frac{u_i+ u_ f}{2}$